Expand host env vars

[dbason]

Expand environment vars from the underlying host in the command.

The specific usecase this will solve for us is publishing the hostname to an etcd store on ready which will allow naive horizontal scalability.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (34dbcfb) 55.26% compared to head (9e13e22) 55.26%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3044      +/-   ##
==========================================
- Coverage   55.26%   55.26%   -0.01%     
==========================================
  Files         143      143              
  Lines       15414    15414              
==========================================
- Hits         8519     8518       -1     
- Misses       6217     6218       +1     
  Partials      678      678              

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[aler9]

os.Expand() is a nice catch. Merged, thanks!

[tmatth]

Thanks for this, this effectively solves a long standing issue for us that we had to patch around (previously discussed here: #828)

[github-actions]

This issue is mentioned in release v1.6.0 🚀
Check out the entire changelog by clicking here